Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Pick 50 locks and 50 pockets
Learn 20 shouts
Complete 10 side quests
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Complete "Hail Sithis!"
Complete "Bound Until Death"
Complete "Glory of the Dead"
Clear 50 dungeons
Get married
Collect 15 Daedric Artifacts
Absorb 20 dragon souls
Bounty of 1000 gold in all nine holds
Reach Level 50
Returned the Thieves Guild to its former glory
Find 13 Standing Stones
Get a skill to 100
Complete "Darkness Returns"
Make a smithed item, an enchanted item, and a potion
Complete 50 Misc Objectives
Reach Level 25
Read 50 Skill Books
Chop wood, mine ore, and cook food
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Discover 100 Locations
Acquire a Daedric Artifact
Become a member of the Circle
Join the Companions
Escape from jail
Join the Dark Brotherhood
Successfully persuade, bribe, and intimidate
Join the Stormcloaks or the Imperial Army
Complete "Dragonslayer"
Complete "The Fallen"
Join the Thieves Guild
Complete "Elder Knowledge"
Reach Level 10
Join the College of Winterhold
Complete "Alduin's Wall"
Complete "Diplomatic Immunity"
Learn all three words of a shout
Reach Level 5
Complete "The Way of the Voice"
Buy a house
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Have 100,000 gold
Select a Standing Stone blessing
Complete "Unbound"
Tame and ride 5 dragons
Learn the secrets of 5 Black Books
Craft an item out of Stalhrim
Own a house in Raven Rock
Discover 30 locations on the island of Solstheim
Learn all 3 words of Dragon Aspect
Complete "At the Summit of Apocrypha"
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Arrive on Solstheim
Complete "Lost to the Ages"
Learn all three words of Soul Tear
Defeat a Legendary Dragon
Acquire 11 werewolf perks
Change your face
Use the special power of Auriel's Bow
Complete "Kindred Judgment"
Complete "Beyond Death"
Acquire 11 vampire perks
Complete "Awakening"
Build three houses
Buy three plots of land
Adopt a child
Build three wings on a house
Buy a plot of land